Fireproof paint.



Litharge, dissolved in 1 gallon ceases.

I Asphaltuin, reduced tothe con- 'lons of wood alcohol" MATTHEW WATT, OFDULUTH, MINNESOTA.

rmnrnoor PAINT.

No Drawing.

Specification of Letters Patent. Application filed January 18, 1909Serial No. 472,897.

Patented May 31, 1910.

To all whom it may concern:

Be it known that-I, MATTHEW S. WATT, a citizen'of the United States,residing at Duluth, in the county of St. Louis and State of-Minnesota,have invented certain new and useful Improvements in- Fireproof Paint;and I do declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use thesame. i

My invention relates to a fireproof paint composition and isparticularly adaptedg for use on boilers and all kinds of metalstructureswhich are exposed to intense heat or to the weather. r I? Mycomposition consists of the following ingtreilients, combined in theproportions sta e a sistency of paint 50 gallons. Drier '5 gallons. ofWood alcohol 3 pounds. Powdered zinc, mixed with 2 gal- 5 pounds.

. In preparing this composition the asphaltum--1s reduced totheconsistency of aint by turpentine or by any ofthe petro cum reducers,and to the a'sphaltum whenthus reduced is added five gallonsof the bestainters drier. To the asphaltum and drier is then added the lithargewhich renders the paint very'hard. after it becomes dry and iters-Patent, is-

Theliejrein described composition con sisting of fifty gallons ofasphaltum reduced by,. tur entine to the consistency of five gahons ofdrier, three pounds 0 litharge dissolved in one gallon .of wood alcohepowaint,

hol and five pounds of powdered zinc mixed with twogallons of woodalcohol.

In testimony whereof I have hereunto set my hand in presence oftwosubscribingfwit- MATTHEW S. WATT. Witnesses: v P -P. GEOQZHANBQN,

J. HANsoN'.

nes'ses.

